*SUPPORT*
IN: kiki wif zup kiki dax OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: gazzer zup blicket wif OUT: YELLOW YELLOW RED
IN: blicket dax dax dax OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: lug lug OUT: GREEN GREEN
IN: gazzer wif dax OUT: RED RED RED RED
IN: kiki dax OUT: BLUE BLUE
IN: lug OUT: GREEN
IN: blicket wif OUT: YELLOW YELLOW
IN: blicket lug wif OUT: YELLOW GREEN GREEN
IN: lug blicket OUT: GREEN YELLOW
IN: blicket zup lug lug dax zup gazzer OUT: RED GREEN GREEN YELLOW GREEN GREEN YELLOW
IN: blicket OUT: YELLOW
IN: kiki kiki wif OUT: BLUE BLUE BLUE
IN: lug kiki wif OUT: GREEN BLUE BLUE

*QUERY*
IN: blicket kiki wif OUT: YELLOW BLUE BLUE
IN: blicket zup gazzer zup lug dax OUT: GREEN RED YELLOW GREEN RED YELLOW
IN: gazzer dax dax zup lug blicket OUT: GREEN YELLOW RED RED RED RED
IN: kiki OUT: BLUE
IN: blicket blicket lug wif OUT: YELLOW YELLOW GREEN GREEN
IN: blicket lug dax OUT: YELLOW GREEN YELLOW GREEN
IN: gazzer wif OUT: RED RED
IN: gazzer lug wif OUT: RED GREEN GREEN
IN: lug wif OUT: GREEN GREEN
IN: gazzer OUT: RED

*GRAMMAR*
gazzer -> RED 
 lug -> GREEN 
 kiki -> BLUE 
 blicket -> YELLOW 
 x1 dax -> [x1] [x1] 
 u1 wif -> [u1] [u1] 
 x1 zup x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 